Effects of robotically modulating kinematic variability on motor skill learning and motivation
Identifieur interne : 000604 ( Pmc/Checkpoint ); précédent : 000603; suivant : 000605Effects of robotically modulating kinematic variability on motor skill learning and motivation
Auteurs : Jaime E. Duarte [États-Unis] ; David J. Reinkensmeyer [États-Unis]Source :
- Journal of Neurophysiology [ 0022-3077 ] ; 2015.
Abstract
It is unclear how the variability of kinematic errors experienced during motor training affects skill retention and motivation. We used force fields produced by a haptic robot to modulate the kinematic errors of 30 healthy adults during a period of practice in a virtual simulation of golf putting. On
Url:
DOI: 10.1152/jn.00163.2014
PubMed: 25673732
PubMed Central: 4416588
Affiliations:
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<author><name sortKey="Duarte, Jaime E" sort="Duarte, Jaime E" uniqKey="Duarte J" first="Jaime E." last="Duarte">Jaime E. Duarte</name>
<affiliation wicri:level="2"><nlm:aff id="aff1">Department of Mechanical and Aerospace Engineering, University of California, Irvine, California;</nlm:aff>
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<affiliation wicri:level="2"><nlm:aff id="aff3">Department of Anatomy and Neurobiology, University of California, Irvine, California</nlm:aff>
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<series><title level="j">Journal of Neurophysiology</title>
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<front><div type="abstract" xml:lang="en"><p>It is unclear how the variability of kinematic errors experienced during motor training affects skill retention and motivation. We used force fields produced by a haptic robot to modulate the kinematic errors of 30 healthy adults during a period of practice in a virtual simulation of golf putting. On <italic>day 1</italic>
, participants became relatively skilled at putting to a near and far target by first practicing without force fields. On <italic>day 2</italic>
, they warmed up at the task without force fields, then practiced with force fields that either reduced or augmented their kinematic errors and were finally assessed without the force fields active. On <italic>day 3</italic>
, they returned for a long-term assessment, again without force fields. A control group practiced without force fields. We quantified motor skill as the variability in impact velocity at which participants putted the ball. We quantified motivation using a self-reported, standardized scale. Only individuals who were initially less skilled benefited from training; for these people, practicing with reduced kinematic variability improved skill more than practicing in the control condition. This reduced kinematic variability also improved self-reports of competence and satisfaction. Practice with increased kinematic variability worsened these self-reports as well as enjoyment. These negative motivational effects persisted on <italic>day 3</italic>
in a way that was uncorrelated with actual skill. In summary, robotically reducing kinematic errors in a golf putting training session improved putting skill more for less skilled putters. Robotically increasing kinematic errors had no performance effect, but decreased motivation in a persistent way.</p>
</div>
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<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Neurophysiol</journal-id>
<journal-id journal-id-type="iso-abbrev">J. Neurophysiol</journal-id>
<journal-id journal-id-type="hwp">jn</journal-id>
<journal-id journal-id-type="pmc">jn</journal-id>
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<journal-title-group><journal-title>Journal of Neurophysiology</journal-title>
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<issn pub-type="ppub">0022-3077</issn>
<issn pub-type="epub">1522-1598</issn>
<publisher><publisher-name>American Physiological Society</publisher-name>
<publisher-loc>Bethesda, MD</publisher-loc>
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<article-id pub-id-type="publisher-id">JN-00163-2014</article-id>
<article-id pub-id-type="doi">10.1152/jn.00163.2014</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Control of Movement</subject>
</subj-group>
</article-categories>
<title-group><article-title>Effects of robotically modulating kinematic variability on motor skill learning and motivation</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Duarte</surname>
<given-names>Jaime E.</given-names>
</name>
<xref ref-type="aff" rid="aff1"><sup>1</sup>
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<contrib contrib-type="author"><name><surname>Reinkensmeyer</surname>
<given-names>David J.</given-names>
</name>
<xref ref-type="aff" rid="aff1"><sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2"><sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff3"><sup>3</sup>
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<aff id="aff1"><sup>1</sup>
Department of Mechanical and Aerospace Engineering, University of California, Irvine, California;</aff>
<aff id="aff2"><sup>2</sup>
Department of Biomedical Engineering, University of California, Irvine, California; and</aff>
<aff id="aff3"><sup>3</sup>
Department of Anatomy and Neurobiology, University of California, Irvine, California</aff>
</contrib-group>
<author-notes><corresp id="cor1">Address for reprint requests and other correspondence: J. E. Duarte, <addr-line>Univ. of California, Irvine, 3151 Engineering Gateway, Irvine, CA 92697</addr-line>
(e-mail: <email>jeduarte@uci.edu</email>
).</corresp>
</author-notes>
<pub-date pub-type="epub"><day>11</day>
<month>2</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="ppub"><month>4</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>1</day>
<month>4</month>
<year>2016</year>
</pub-date>
<pmc-comment> PMC Release delay is 12 months and
0 days and was based on the . </pmc-comment>
<volume>113</volume>
<issue>7</issue>
<fpage>2682</fpage>
<lpage>2691</lpage>
<history><date date-type="received"><day>26</day>
<month>2</month>
<year>2014</year>
</date>
<date date-type="accepted"><day>9</day>
<month>2</month>
<year>2015</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2015 the American Physiological Society</copyright-statement>
<copyright-year>2015</copyright-year>
<copyright-holder>American Physiological Society</copyright-holder>
</permissions>
<self-uri content-type="pdf" xlink:href="z9k00715002682.pdf"></self-uri>
<abstract><p>It is unclear how the variability of kinematic errors experienced during motor training affects skill retention and motivation. We used force fields produced by a haptic robot to modulate the kinematic errors of 30 healthy adults during a period of practice in a virtual simulation of golf putting. On <italic>day 1</italic>
, participants became relatively skilled at putting to a near and far target by first practicing without force fields. On <italic>day 2</italic>
, they warmed up at the task without force fields, then practiced with force fields that either reduced or augmented their kinematic errors and were finally assessed without the force fields active. On <italic>day 3</italic>
, they returned for a long-term assessment, again without force fields. A control group practiced without force fields. We quantified motor skill as the variability in impact velocity at which participants putted the ball. We quantified motivation using a self-reported, standardized scale. Only individuals who were initially less skilled benefited from training; for these people, practicing with reduced kinematic variability improved skill more than practicing in the control condition. This reduced kinematic variability also improved self-reports of competence and satisfaction. Practice with increased kinematic variability worsened these self-reports as well as enjoyment. These negative motivational effects persisted on <italic>day 3</italic>
in a way that was uncorrelated with actual skill. In summary, robotically reducing kinematic errors in a golf putting training session improved putting skill more for less skilled putters. Robotically increasing kinematic errors had no performance effect, but decreased motivation in a persistent way.</p>
</abstract>
<kwd-group><kwd>motor learning</kwd>
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<kwd>motor skill</kwd>
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